Siemens 6ES7232-4HA30-0XB0 SIMATIC S7-1200 SB 1232 1 AO 12-Bit PLC I/O Module

The Siemens 6ES7232-4HA30-0XB0 is a SIMATIC S7-1200 SB 1232 signal board that adds one analog output channel to a 1200-series CPU without consuming a rack slot. It switches between a ±10 V DC range at 12-bit resolution and a 0-20 mA range at 11-bit resolution, with load impedance down to 1000 Ω on voltage or up to 600 Ω on current, and mounts directly onto the front of compact CPUs like the 1212C or 1214C.

Technical Specifications

Certifications & Standards

• CE mark
• CSA approval
• UL approval
• cULus
• FM approval
• RCM
• KC approval
• Marine approval

Selection Notes

The SB 1232's output type is set per channel in software: use voltage mode for driving valve positioners or damper actuators at ±10 V DC and 12-bit resolution, or current mode for loop-style 0-20 mA wiring at 11-bit resolution. Because it occupies the signal-board slot on the CPU front instead of a DIN-rail position, it fits panels where a 1212C or 1214C needs exactly one extra analog output and a full SM 1232 module would be oversized for the job.

Applications

Single valve or damper actuator position commands, a variable-speed drive setpoint signal, or a standalone process instrument output on S7-1200 machines that need one analog channel added without expanding the rack.